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<div class="subTitle">org.apache.commons.math3.ode</div>
<h2 title="Class ExpandableStatefulODE" class="title">Class ExpandableStatefulODE</h2>
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<pre>public class <span class="strong">ExpandableStatefulODE</span>
extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">This class represents a combined set of first order differential equations,
 with at least a primary set of equations expandable by some sets of secondary
 equations.
 <p>
 One typical use case is the computation of the Jacobian matrix for some ODE.
 In this case, the primary set of equations corresponds to the raw ODE, and we
 add to this set another bunch of secondary equations which represent the Jacobian
 matrix of the primary set.
 </p>
 <p>
 We want the integrator to use <em>only</em> the primary set to estimate the
 errors and hence the step sizes. It should <em>not</em> use the secondary
 equations in this computation. The <a href="../../../../../org/apache/commons/math3/ode/AbstractIntegrator.html" title="class in org.apache.commons.math3.ode"><code>integrator</code></a> will
 be able to know where the primary set ends and so where the secondary sets begin.
 </p></div>
<dl><dt><span class="strong">Since:</span></dt>
  <dd>3.0</dd>
<dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/commons/math3/ode/FirstOrderDifferentialEquations.html" title="interface in org.apache.commons.math3.ode"><code>FirstOrderDifferentialEquations</code></a>, 
<a href="../../../../../org/apache/commons/math3/ode/JacobianMatrices.html" title="class in org.apache.commons.math3.ode"><code>JacobianMatrices</code></a></dd></dl>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/ode/ExpandableStatefulODE.html#ExpandableStatefulODE(org.apache.commons.math3.ode.FirstOrderDifferentialEquations)">ExpandableStatefulODE</a></strong>(<a href="../../../../../org/apache/commons/math3/ode/FirstOrderDifferentialEquations.html" title="interface in org.apache.commons.math3.ode">FirstOrderDifferentialEquations</a>&nbsp;primary)</code>
<div class="block">Build an expandable set from its primary ODE set.</div>
</td>
</tr>
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<h3>Method Summary</h3>
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<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/ExpandableStatefulODE.html#addSecondaryEquations(org.apache.commons.math3.ode.SecondaryEquations)">addSecondaryEquations</a></strong>(<a href="../../../../../org/apache/commons/math3/ode/SecondaryEquations.html" title="interface in org.apache.commons.math3.ode">SecondaryEquations</a>&nbsp;secondary)</code>
<div class="block">Add a set of secondary equations to be integrated along with the primary set.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/ExpandableStatefulODE.html#computeDerivatives(double,%20double[],%20double[])">computeDerivatives</a></strong>(double&nbsp;t,
                  double[]&nbsp;y,
                  double[]&nbsp;yDot)</code>
<div class="block">Get the current time derivative of the complete state vector.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double[]</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/ExpandableStatefulODE.html#getCompleteState()">getCompleteState</a></strong>()</code>
<div class="block">Get the complete current state.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/math3/ode/FirstOrderDifferentialEquations.html" title="interface in org.apache.commons.math3.ode">FirstOrderDifferentialEquations</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/ExpandableStatefulODE.html#getPrimary()">getPrimary</a></strong>()</code>
<div class="block">Get the primary set of differential equations.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/math3/ode/EquationsMapper.html" title="class in org.apache.commons.math3.ode">EquationsMapper</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/ExpandableStatefulODE.html#getPrimaryMapper()">getPrimaryMapper</a></strong>()</code>
<div class="block">Get an equations mapper for the primary equations set.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double[]</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/ExpandableStatefulODE.html#getPrimaryState()">getPrimaryState</a></strong>()</code>
<div class="block">Get primary part of the current state.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double[]</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/ExpandableStatefulODE.html#getPrimaryStateDot()">getPrimaryStateDot</a></strong>()</code>
<div class="block">Get primary part of the current state derivative.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/math3/ode/EquationsMapper.html" title="class in org.apache.commons.math3.ode">EquationsMapper</a>[]</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/ExpandableStatefulODE.html#getSecondaryMappers()">getSecondaryMappers</a></strong>()</code>
<div class="block">Get the equations mappers for the secondary equations sets.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double[]</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/ExpandableStatefulODE.html#getSecondaryState(int)">getSecondaryState</a></strong>(int&nbsp;index)</code>
<div class="block">Get secondary part of the current state.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double[]</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/ExpandableStatefulODE.html#getSecondaryStateDot(int)">getSecondaryStateDot</a></strong>(int&nbsp;index)</code>
<div class="block">Get secondary part of the current state derivative.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/ExpandableStatefulODE.html#getTime()">getTime</a></strong>()</code>
<div class="block">Get current time.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/ExpandableStatefulODE.html#getTotalDimension()">getTotalDimension</a></strong>()</code>
<div class="block">Return the dimension of the complete set of equations.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/ExpandableStatefulODE.html#setCompleteState(double[])">setCompleteState</a></strong>(double[]&nbsp;completeState)</code>
<div class="block">Set the complete current state.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/ExpandableStatefulODE.html#setPrimaryState(double[])">setPrimaryState</a></strong>(double[]&nbsp;primaryState)</code>
<div class="block">Set primary part of the current state.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/ExpandableStatefulODE.html#setSecondaryState(int,%20double[])">setSecondaryState</a></strong>(int&nbsp;index,
                 double[]&nbsp;secondaryState)</code>
<div class="block">Set secondary part of the current state.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/ExpandableStatefulODE.html#setTime(double)">setTime</a></strong>(double&nbsp;time)</code>
<div class="block">Set current time.</div>
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<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long,%20int)" title="class or interface in java.lang">wait</a></code></li>
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<h4>ExpandableStatefulODE</h4>
<pre>public&nbsp;ExpandableStatefulODE(<a href="../../../../../org/apache/commons/math3/ode/FirstOrderDifferentialEquations.html" title="interface in org.apache.commons.math3.ode">FirstOrderDifferentialEquations</a>&nbsp;primary)</pre>
<div class="block">Build an expandable set from its primary ODE set.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>primary</code> - the primary set of differential equations to be integrated.</dd></dl>
</li>
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<pre>public&nbsp;<a href="../../../../../org/apache/commons/math3/ode/FirstOrderDifferentialEquations.html" title="interface in org.apache.commons.math3.ode">FirstOrderDifferentialEquations</a>&nbsp;getPrimary()</pre>
<div class="block">Get the primary set of differential equations.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>primary set of differential equations</dd></dl>
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<h4>getTotalDimension</h4>
<pre>public&nbsp;int&nbsp;getTotalDimension()</pre>
<div class="block">Return the dimension of the complete set of equations.
 <p>
 The complete set of equations correspond to the primary set plus all secondary sets.
 </p></div>
<dl><dt><span class="strong">Returns:</span></dt><dd>dimension of the complete set of equations</dd></dl>
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<h4>computeDerivatives</h4>
<pre>public&nbsp;void&nbsp;computeDerivatives(double&nbsp;t,
                      double[]&nbsp;y,
                      double[]&nbsp;yDot)
                        throws <a href="../../../../../org/apache/commons/math3/exception/MaxCountExceededException.html" title="class in org.apache.commons.math3.exception">MaxCountExceededException</a>,
                               <a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></pre>
<div class="block">Get the current time derivative of the complete state vector.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>t</code> - current value of the independent <I>time</I> variable</dd><dd><code>y</code> - array containing the current value of the complete state vector</dd><dd><code>yDot</code> - placeholder array where to put the time derivative of the complete state vector</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/MaxCountExceededException.html" title="class in org.apache.commons.math3.exception">MaxCountExceededException</a></code> - if the number of functions evaluations is exceeded</dd>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if arrays dimensions do not match equations settings</dd></dl>
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<h4>addSecondaryEquations</h4>
<pre>public&nbsp;int&nbsp;addSecondaryEquations(<a href="../../../../../org/apache/commons/math3/ode/SecondaryEquations.html" title="interface in org.apache.commons.math3.ode">SecondaryEquations</a>&nbsp;secondary)</pre>
<div class="block">Add a set of secondary equations to be integrated along with the primary set.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>secondary</code> - secondary equations set</dd>
<dt><span class="strong">Returns:</span></dt><dd>index of the secondary equation in the expanded state</dd></dl>
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<pre>public&nbsp;<a href="../../../../../org/apache/commons/math3/ode/EquationsMapper.html" title="class in org.apache.commons.math3.ode">EquationsMapper</a>&nbsp;getPrimaryMapper()</pre>
<div class="block">Get an equations mapper for the primary equations set.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>mapper for the primary set</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/commons/math3/ode/ExpandableStatefulODE.html#getSecondaryMappers()"><code>getSecondaryMappers()</code></a></dd></dl>
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<pre>public&nbsp;<a href="../../../../../org/apache/commons/math3/ode/EquationsMapper.html" title="class in org.apache.commons.math3.ode">EquationsMapper</a>[]&nbsp;getSecondaryMappers()</pre>
<div class="block">Get the equations mappers for the secondary equations sets.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>equations mappers for the secondary equations sets</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/commons/math3/ode/ExpandableStatefulODE.html#getPrimaryMapper()"><code>getPrimaryMapper()</code></a></dd></dl>
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<pre>public&nbsp;void&nbsp;setTime(double&nbsp;time)</pre>
<div class="block">Set current time.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>time</code> - current time</dd></dl>
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<pre>public&nbsp;double&nbsp;getTime()</pre>
<div class="block">Get current time.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>current time</dd></dl>
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<pre>public&nbsp;void&nbsp;setPrimaryState(double[]&nbsp;primaryState)
                     throws <a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></pre>
<div class="block">Set primary part of the current state.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>primaryState</code> - primary part of the current state</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if the dimension of the array does not
 match the primary set</dd></dl>
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<pre>public&nbsp;double[]&nbsp;getPrimaryState()</pre>
<div class="block">Get primary part of the current state.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>primary part of the current state</dd></dl>
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<pre>public&nbsp;double[]&nbsp;getPrimaryStateDot()</pre>
<div class="block">Get primary part of the current state derivative.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>primary part of the current state derivative</dd></dl>
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<h4>setSecondaryState</h4>
<pre>public&nbsp;void&nbsp;setSecondaryState(int&nbsp;index,
                     double[]&nbsp;secondaryState)
                       throws <a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></pre>
<div class="block">Set secondary part of the current state.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>index</code> - index of the part to set as returned by <a href="../../../../../org/apache/commons/math3/ode/ExpandableStatefulODE.html#addSecondaryEquations(org.apache.commons.math3.ode.SecondaryEquations)"><code>addSecondaryEquations(SecondaryEquations)</code></a></dd><dd><code>secondaryState</code> - secondary part of the current state</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if the dimension of the partial state does not
 match the selected equations set dimension</dd></dl>
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<h4>getSecondaryState</h4>
<pre>public&nbsp;double[]&nbsp;getSecondaryState(int&nbsp;index)</pre>
<div class="block">Get secondary part of the current state.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>index</code> - index of the part to set as returned by <a href="../../../../../org/apache/commons/math3/ode/ExpandableStatefulODE.html#addSecondaryEquations(org.apache.commons.math3.ode.SecondaryEquations)"><code>addSecondaryEquations(SecondaryEquations)</code></a></dd>
<dt><span class="strong">Returns:</span></dt><dd>secondary part of the current state</dd></dl>
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<pre>public&nbsp;double[]&nbsp;getSecondaryStateDot(int&nbsp;index)</pre>
<div class="block">Get secondary part of the current state derivative.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>index</code> - index of the part to set as returned by <a href="../../../../../org/apache/commons/math3/ode/ExpandableStatefulODE.html#addSecondaryEquations(org.apache.commons.math3.ode.SecondaryEquations)"><code>addSecondaryEquations(SecondaryEquations)</code></a></dd>
<dt><span class="strong">Returns:</span></dt><dd>secondary part of the current state derivative</dd></dl>
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<pre>public&nbsp;void&nbsp;setCompleteState(double[]&nbsp;completeState)
                      throws <a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></pre>
<div class="block">Set the complete current state.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>completeState</code> - complete current state to copy data from</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if the dimension of the complete state does not
 match the complete equations sets dimension</dd></dl>
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<pre>public&nbsp;double[]&nbsp;getCompleteState()
                          throws <a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></pre>
<div class="block">Get the complete current state.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>complete current state</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if the dimension of the complete state does not
 match the complete equations sets dimension</dd></dl>
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